Meiji Triplet Hand Lens, 10X
An exceptionally wide field of view is provided by this 13/16″ (21mm) diameter lens. Magnification is 10X. Fully corrected for spherical and chromatic errors through the three-glass-lens optical system. Focal length is 11/16″ (17 mm). Metal frame, with leather case. Made in Japan. Shipping weight 12 ounces.